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Convenient Synthesis of 3-Phenylthio- and 3-Chloro-4-Alkyl-3-Sulfolenes

3-苯硫基-及3-氯-烷基-碸環戊-3-烯之合成

摘要


本文探討3-苯硫基-及3-氯-4-溴-碸環戊-2-烯經丙烯鋅化反應,甲基磺醯化反應,消去反應,1,4-Michacl加成反應及脫苯硫基反應序列,合成3-苯硫基-及3-氯-4-烷基-碸環戊-3-烯化合物。提供合成化此類化合物之新途徑。

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並列摘要


3-Phenylthio- and 3-chloro-4-alkyl-3-sulfolenes are conveniently synthesized by sequential mesylation, elimination, Michael addition, and desulfurization reactions from 3-phenylthio- and 3-chloro-3-hydroxyalkylated 3-sulfolens which are regioselectively prepared via zincation of 3-phenylthio- and 3-chloro4-bromo-2-sulfolene.

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